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What is the main component of the arthropod cuticle?
Tertiary Sexual Characteristics
Traits influenced by hormones that differentiate between sexes but are not directly part of the reproductive system, often developing during puberty.
Object Permanence
The realization by infants that objects still exist even when they are out of sight, sound, or touch.
Conservation
The action of preserving, protecting, or restoring the natural environment, natural ecosystems, vegetation, and wildlife.
Attention Span
The duration for which a person is able to concentrate on a particular task or activity without getting distracted.
Q2: Endocrine glands produce substances called<br>A)hormones.<br>B)pheromones.<br>C)neurotransmitters.<br>D)lumones.<br>E)histamines.
Q8: The crustacean abdominal appendages that are used
Q18: The _ is the external covering of
Q25: The name Echinodermata translates as<br>A)spiny skin.<br>B)spiny skeleton.<br>C)spiny
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Q26: The functional unit of the nervous system
Q33: In which organisms do skeletal muscles squeeze
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Q41: Most insects are considered to be _,as
Q43: Which of the following statement is based